<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片式图 -->
    <el-card class="box-card">
    <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table :data="userList" stripe border>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态" prop="mg_state">
                <template slot-scope="scope">
                    <!-- 用户状态 -->
                   <el-switch
                        v-model="scope.row.mg_state"
                        active-color="#13ce66"
                        inactive-color="#ff4949"
                        @change="userStateChange(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <template slot-scope="scope">
                    <!-- 修改按钮 -->
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <!-- 分配按钮 -->
                    <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable='false'>
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                    </el-tooltip>  
                    <!-- 删除按钮 -->
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 添加用户对话框 -->
        <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="50%" @close='addDialogClosed'
        >
            <!-- 内容区 -->
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
            <el-form-item label="用户名称" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
           
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>

            <el-form-item label="手机号码" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
            </el-form>
            <!-- 底部区 -->
            <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 修改用户的对话框 -->
        <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        >
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px" >
            <el-form-item label="用户名称">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <!-- 页脚 -->
        <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false" @close='editDialogClosed'>取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
        </el-dialog>
        <!-- 页码条 -->
        <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
        </el-pagination>
    </el-card>

    <!-- 分配角色对话框 -->
    <el-dialog
    title="分配角色"
    :visible.sync="setRoleDialogVisible"
    width="50%" @close="setRoleDialogClosed">
    <div>
        <p>当前用户:{{userInfo.username}}</p>
        <p>当前角色:{{userInfo.role_name}}</p>
        <p>分配新角色:
            <el-select v-model="selectedRoleId" placeholder="请选择">
                <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
                </el-option>
            </el-select>
        </p>
    </div>
    <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
    </span>
    </el-dialog>
    </div>
</template>

<script>
export default {
    name:'Users',
    data() {
        //验证邮箱规则
        
        //验证手机号规则
        const checkMobile = (rule, value, cb) => {
        let reg = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
        if (reg.test(value)) {
        cb()
        } else {
        cb(new Error('手机号码格式不正确'))
        }
        }

        return {
            //获取用户列表参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                //当前每页显示多少条数据
                pagesize:2
            },
            userList:[],
            total:0,
            //控制对话框的显示与隐藏
            addDialogVisible:false,
            editDialogVisible:false,
            setRoleDialogVisible:false,
            //添加用户表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:'' 
            },
            //查询到用户信息对象保存
            editForm:{

            },
            //添加表单规则
            addFormRules:{
                username:[
                    {required:true, message:"请输入用户名",trigger:'blur'},
                    {min:3,max:10,message:'名称长度在3到10个字符之间',trigger:'blur'}
                ],
                password:[
                    {required:true, message:"请输入密码",trigger:'blur'},
                    {min:5,max:15,message:'密码长度在5到15个字符之间',trigger:'blur'}
                ],
                email:[
                    {required:true,message:'请输入邮箱',trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入电话号码',trigger:'blur'},
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            //修改表单验证规则
            editFormRules:{
                email:[
                    {required:true,message:'请输入邮箱',trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入电话号码',trigger:'blur'},
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            //需要被分配角色的用户信息
            userInfo:{},
            //所有角色数据列表
            rolesList:[],
            //已选中角色Id值
            selectedRoleId:''
        }
    },
    created(){
        this.getUserList()
    },
    methods: {
        async getUserList(){
           const {data:res}= await this.$http.get('users',{params:this.queryInfo})
           if(res.meta.status !== 200) {return this.$message.error('获取用户列表失败')}
           this.userList=res.data.users
           this.total=res.data.total
        },
        //监听pagesize改变事件
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        //监听页码值发生改变事件
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getUserList()
        },
        async userStateChange(userInfo){
            const {data:res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
            if(res.meta.status !== 200)
            {   
                userInfo.mg_state =! userInfo.mg_state
                return this.$message.error('更改状态失败')
            }
            this.$message.success('更新状态成功')
        },
        //监听对话框关闭事件
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        //监听公休该用糊对话框关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        //添加新用户
        addUser() {
        this.$refs.addFormRef.validate(async valid => {
            console.log(valid)
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users',this.addForm)
        console.log(res)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }else{
        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
        }
        })
        },
        //展示编辑用户对话框
        async showEditDialog(id){
            const {data :res} = await this.$http.get('users/'+id)
            if(res.meta.status!==200) {return this.$message.error('查询用户信息失败')}
            this.editForm =res.data
            this.editDialogVisible=true
        },
        //修改用互信西并提交
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                if(!valid) return
                //发起修改用户信息请求
                const {data:res}=await this.$http.put('users/'+this.editForm.id,{
                    email:this.editForm.email,mobile:this.editForm.mobile
                })

                if(res.meta.status!==200) return this.$message.error('更新失败')
                //关闭对话框
                this.editDialogVisible=false
                //刷洗数据列表
                this.getUserList()
                //提示修改成功
                this.$message.success('修改成功')
            })
        },
        //根据ID删除用户
        async removeUserById(id){
            const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)
            if(confirmResult !=='confirm'){
                return this.$message.info('已经取消删除')
            }
            const {data:res}= await this.$http.delete('users/'+id)
            if(res.meta.status !==200) return this.$message.error('删除用户失败')
            this.$message.success('删除用户成功')
            this.getUserList()
        },
        //展示分配角色对话框
        async setRole(userInfo){
            this.userInfo=userInfo
            //在展示对话框之前，获取角色列表
            const {data:res}=await this.$http.get('roles')
            if(res.meta.status !==200) return this.$message.error('获取角色列表失败')
            this.rolesList=res.data
            this.setRoleDialogVisible=true
        },
        //分配角色
        async saveRoleInfo(){
            if(!this.selectedRoleId)
            {
                return this.$message.error('请选择分配的角色')
            }
            const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{
                rid:this.selectedRoleId
            })
            if(res.meta.status !==200) return this.$message.error('获取角色列表失败')

            this.$message.success('分配角色成功')
            this.getUserList()
            this.setRoleDialogVisible=false
        },
        //监听分配角色对话框关闭事件
        setRoleDialogClosed(){
            this.selectedRoleId=''
            this.userInfo={}
        }
    },
}
</script>

<style>

</style>